Home / 913,045.62-1,260,406.55-545,652.41

Finding the Fourth Proportional to 913,045.62, 1,260,406.55 and 545,652.41

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Solution

The fourth proportional to 913,045.62, 1,260,406.55 and 545,652.41 is: 753,241.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,045.62 : 1,260,406.55 = 545,652.41 : x
  2. Step 2: Convert to fraction form
    913,045.62/1,260,406.55 = 545,652.41/x
  3. Step 3: Cross multiply
    913,045.62x = 1,260,406.55 × 545,652.41
  4. Step 4: Simplify right side
    913,045.62x = 687,743,868,859.02
  5. Step 5: Solve for x
    x = 687,743,868,859.02/913,045.62
  6. Step 6: Final answer
    x = 753,241.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.